Tree supporter



FIG. 1 is a right side view of the tree supporter showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view. 

The ornamental design for a tree supporter, as shown. 